Begun Andrei Petrovich

Publications in Math-Net.Ru

1. On the number of periodic solutions generated by a singular periodic solution
   
   Differ. Uravn., 35:8 (1999),  1132–1134
2. Nondenseness of a set of equations with singular periodic solutions
   
   Differ. Uravn., 31:8 (1995),  1434–1435
3. On the smoothness of solutions that go off to infinity
   
   Differ. Uravn., 31:3 (1995),  527